Answer / mahendra mohan srivastava

If stone dust is full of fine partical then the w/c will
increse and the demand of cement will also increase, it is
disadvantage and advantage is you can use as a filler with
fine aggregate it will reduse your cost.

Answer / mahesh varma

The silt content of fine aggregate can not be more than 5% in structural concrete, and dust partical comes under the defination of silt.
In short dust, or artificial sand with dust content of more than 5% should not be used.

what is the weight of 12 mm 40 mm aggregate?

2 Answers   SCON,

---

Discuss some applications of modular elasticity?

0 Answers  

---

I used Etabs software to analyse a high-rise building. And I want to use templated UBC-codes inside to calculate the Seismic load. My question is: whether or not I have to control the seismic load by base shear load which is manual calculation? (just for more clarification: I can control this by input the scale factor into Eartquake definition in Etabs) I would highly appreciate your answer.

0 Answers  

---

What is PCO

1 Answers   Skanska,

---

Till how many days can we keep a cement bag without using? And on what conditions the cement will get spoiled?

4 Answers  

---

why we need pcc?

2 Answers  

---

how much the ratio of the m15, m25 .......etc

3 Answers   B.Tech, L&T,

---

Define What are the materials used in building a gravity dam?

0 Answers  

---

how much required strength of cement concrete bricks(size 230x115x75mm)

0 Answers   Student,

---

can any body tell me that we stdy different grades of concrete $ their strength . as we knot the strength of conrete that this grade or ratio of concrete has this much strength ? even that we go for labortory test what is reason behind that?

2 Answers  

---

4. What is your philosophy / attitude towards work?

6 Answers  

---

what is the compressive strenth of m30 grade cocrete column at 7 days

4 Answers  

---